Stern, K. (2025). Healthy to 100: How strong social ties lead to long lives (First edition.). PublicAffairs.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रStern, Ken. Healthy to 100: How Strong Social Ties Lead to Long Lives. First edition. New York, NY: PublicAffairs, 2025.
एमएलए (8वां संस्करण) प्रशस्ति पत्रStern, Ken. Healthy to 100: How Strong Social Ties Lead to Long Lives. First edition. PublicAffairs, 2025.
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